Linear Mechanics Improves Performance
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20th Jul '04, 6:02am
I read with great interest an abstract taken from the following paper:
'Effects of Arch Height of the Foot on Ground
Reaction Forces in Running, ' Medicine and Science in Sports and Exercise, vol. 24(11), pp. 1264-1269, 1992
The paper basically states that arch height and degree of pronation has little or nothing to do with injury rates. By and large I agree with this study.
However, there are two areas that hyperpronation dramatically impacts the individual:
(1) There is a definite link between hyperpronation and chronic musculoskeletal pain as well chronic visceral problems.
(2) In my clinical experinece I have noted a definite link between performance rates (in almost all sports) and hyperpronation: Hyperpronation decreases performance levels.
Linear Mechanics Improves Performance
20th Jul '04, 11:35am
Great information. Have to dig up what I have I have studies on Plantar Flexion and Extension and back pain.
Will post it here.
Rocket
Re: Linear Mechanics Improves Performance
20th Jul '04, 11:40am
Hi Brian
I completely agree that hyper/overpronation significantly decreases performance and increases musculoskeletal and visceral problems.
Overpronation causes deceleration when running - with obvious negative impact on performance - power and speed will be decreased.
Moreover - in my experience and from that of which i have researched there is often (not always) a correlation between over/hyperpronation with a lumbar hyper-lordosis, facilitated hip flexors, inhibited glutes and weak or poor coordination of the lower abdominal region.
And once the joints involved lose their instantaneous axis of rotation - extra stress is placed upon them leading to many musculosketal problems.
James
Hyperpronation impacts linear mechanics
20th Jul '04, 12:08pm
James,
We have mapped the impact faulty mechanics has on postural distortions, foot to jaw. You can read my recent paper, Postural Distortions - the foot connection, on the website maintained by the Virtual Journal of Orthodontics www.vjo.it